Skip to content

SiS

  • SiS Wellness Box (90 Tablets) Beta Alanine (90 tablets) XMiles
    SiS Wellness Box (90 Tablets) Beta Alanine (90 tablets) XMiles
    Sold out
    SiS

    Beta Alanine

    Original Price £14.99
    Current Price £13.99

    Introducing Science in Sport's revolutionary product, 100% Pure Beta Alanine! Designed to assist with your performance during short bouts of high-...

    View full details
  • SiS Gels Orange Beta Fuel Gel XMiles
    SiS Gels Beta Fuel Gel XMiles
    Offer
    SiS

    Beta Fuel Gel

    From £2.20 - £62.70 GBP

    Introducing the Beta Fuel Dual Source Energy Gel, a groundbreaking addition to our world-leading fuelling solution range. Engineered with a revolu...

    View full details
  • SiS Trial Pack Beta Fuel Pack Beta Fuel Pack XMiles
    Sold out
    SiS

    Beta Fuel Pack

    Original Price £59.00
    Current Price £54.95

    Introducing the Beta Fuel Pack from Science in Sport, created by XMiles, specifically tailored to meet the needs of athletes across the spectrum. ...

    View full details
  • SiS Supplement 80 Serving Tub (400g) / Unflavoured Creatine XMiles
    SiS

    Creatine

    £24.50

    Ideal for successive bursts of short-term, high intensity exercise. High quality version of one of the most commonly used sports supplements. 5g o...

    View full details
  • SiS Electrolyte Drinks Blackcurrant / 500g Tub GO Electrolyte Powder XMiles
    SiS Electrolyte Drinks Blackcurrant SiS GO Electrolyte Powder (1.6kg) XMiles
    Save £1.00
    SiS

    GO Electrolyte Powder

    From Original Price £12.00 - £27.99 GBP
    From £11.00 - £27.99 GBP

    GO Electrolyte Powder is a specially formulated sports drink designed to provide athletes and fitness enthusiasts with the perfect combination of ...

    View full details
  • SiS Bars / Food Strawberry GO Energy Bakes XMiles
    SiS Bars / Food GO Energy Bakes XMiles
    Offer
    SiS

    GO Energy Bake

    From £2.00 - £18.90 GBP

    The revolutionary GO Energy Bake is poised to redefine the energy bar landscape with its groundbreaking design and scientific formulation. Unlike ...

    View full details
  • SiS Energy Drink GO Energy Powder 1.6kg XMiles
    Save £1.00
    SiS

    GO Energy Powder

    Original Price £31.00
    Current Price £30.00

    GO Energy Powder is a highly effective and easily digestible carbohydrate supplement that provides a quick supply of energy. This versatile produc...

    View full details